diff --git a/lib/api/api_consultas/study.ex b/lib/api/api_consultas/study.ex
index 9203e6b..252cd5c 100644
--- a/lib/api/api_consultas/study.ex
+++ b/lib/api/api_consultas/study.ex
@@ -23,7 +23,7 @@ defmodule Api.Study do
       accession
     end
 
-    # id_study = if is_integer(id_study), do: id_study, else: String.to_integer(id_study)
+    id_study = if is_integer(id_study), do: id_study, else: String.to_integer(id_study)
 
 
     # accession_fragment =